Home / 12,400.29-17,118.27-7,094.07

Finding the Fourth Proportional to 12,400.29, 17,118.27 and 7,094.07

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Solution

The fourth proportional to 12,400.29, 17,118.27 and 7,094.07 is: 9,793.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,400.29 : 17,118.27 = 7,094.07 : x
  2. Step 2: Convert to fraction form
    12,400.29/17,118.27 = 7,094.07/x
  3. Step 3: Cross multiply
    12,400.29x = 17,118.27 × 7,094.07
  4. Step 4: Simplify right side
    12,400.29x = 121,438,205.66
  5. Step 5: Solve for x
    x = 121,438,205.66/12,400.29
  6. Step 6: Final answer
    x = 9,793.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.